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| =====Resistance of a Wire===== | =====Resistance of a Wire===== | ||
| Suppose you have a wire whose resistance is 60 mΩ. The wire has a length of 2 cm, and has a cross-sectional area of 1 mm2. What would be the resistance if you increase the length of the wire to 6 cm (keeping the area the same)? What would be the resistance if you increase the cross-sectional area to 3 mm2 (keeping the original length of wire)? | Suppose you have a wire whose resistance is 60 mΩ. The wire has a length of 2 cm, and has a cross-sectional area of 1 mm2. What would be the resistance if you increase the length of the wire to 6 cm (keeping the area the same)? What would be the resistance if you increase the cross-sectional area to 3 mm2 (keeping the original length of wire)? | ||